Element block pseudo-class :active generated with border-radius font-size 16px float none overflow hidden background display block border 0px rgba(0,0,0,1) solid box-sizing content-box position static height auto font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) line-height 1 transition width 160px box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform margin 0px cursor default z-index auto padding 20px